BirdAnalyst
Species · New York · BBS 2026 Release · 1966–2025

Hooded Warbler Population Trend in New York

All statesForest birds

Hooded Warbler in New York has surged: up 16× on the route-weighted index since 1968.

16×Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
49Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Hooded Warbler Trends in New YorkNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Hooded Warbler in New York. See the full index history below.

Hooded Warbler Population Forecast in New York

If the recent trend holds, Hooded Warbler in New York is projected to stay roughly flat through 2030, near 0.70 (95% range 0.51–0.89). A 5-year backtest shows a typical error of ±28.3%, with 60% of held-out values landing inside the 95% band.

-8%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.70Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.51–0.8995% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±28.3%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Hooded Warbler in New York is projected to stay roughly flat through 2030, near 0.70 (95% range 0.51–0.89). A 5-year backtest shows a typical error of ±28.3%, with 60% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.650.460.84
20270.660.470.85
20280.670.480.86
20290.690.500.87
20300.700.510.89

Hooded Warbler Survey Routes in New York

Routes recording Hooded Warbler in New York.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Sheridan920251969
Phillips Cr520251995
Cattaraugus520191983
Swain 2420252011
Branchport420241995
Mt Morris320251982
Randolph320181970
Kasoag320252011
Rifton219781978
Coventryvile220132013
Corbettsvile220251993
Trumansburg220232001
Canadice L220251980
Hamburg220181985
E Youngstown220252005
Byron220162009
Purdy219941986
Bedford119901981
Somers119751975
Middletown119891989
Cobleskill120172015
Duanesburg120152015
Cayuga120182018
E Newark120152015
Dryden120251974

Hooded Warbler Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianakentuckylouisianamarylandmassachusettsmichiganmississippimissourinew-jerseynorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvirginiawest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.